- RAD
- RAID (Redundant Arrays of Independent Disks)
- Raid
- Raid 0
- Raid 1
- Raid 2
- Raid 3
- Raid 4
- Raid 5
- RAM
- Randapparaat
- Randapparaat
- Range extenders
- RAW
- RCA-verbinding
- RDB (Relationele Database)
- RDF
- RDF
- RDS (Radio Data System)
- RDS (Radio Data System)
- Readme
- Real Audio
- Real-time
- Reboot
- Record
- Recovery-cd
- Referrer
- Refresh rate (CRT)
- Refresh rate (TFT)
- Regel van drie
- Register
- Renderen
- Reply
- Resampling
- Reset
- Resolutie
- Resolutie (1)
- Resolutie (2)
- Retail
- RFF/TFF flags
- Rfid-chip
- RGB
- Ringtone Composer
- Rippen
- RISC (Reduced Instruction Set Computer)
- RJ
- RJ-45
- RMS-vermogen
- Roamer
- Roaming
- Roaming
- Roaming
- Robot spider
- Rootkit
- Router
- Router
- RS-232
- RSI
- RSS
- Ruggespraak
- Ruis
- Ruis (filter)
- Run time error
